Also many Bitcoins are lost forever, either on old hard drives that were thrown out or other ways of losing them forever. (coinstaker.com)
To understand why the Gutmann method isn't necessary for all drives, it's important to note that the paper and method were designed in 1996, when older hard drive technology was in use. (howtogeek.com)
Additionally, many business owners pay little attention to other physical aspects of their companies» operations that pose a threat, such as leaving computers exposed or failing to destroy old hard drives. (entrepreneur.com)